Home / 404,492,776-558,200,022.30-218,853,791.80

Finding the Fourth Proportional to 404,492,776, 558,200,022.30 and 218,853,791.80

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Solution

The fourth proportional to 404,492,776, 558,200,022.30 and 218,853,791.80 is: 302,018,228.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,492,776 : 558,200,022.30 = 218,853,791.80 : x
  2. Step 2: Convert to fraction form
    404,492,776/558,200,022.30 = 218,853,791.80/x
  3. Step 3: Cross multiply
    404,492,776x = 558,200,022.30 × 218,853,791.80
  4. Step 4: Simplify right side
    404,492,776x = 122,164,191,463,199,552
  5. Step 5: Solve for x
    x = 122,164,191,463,199,552/404,492,776
  6. Step 6: Final answer
    x = 302,018,228.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.